Ch. 1. Introduction : the problem and the approach -- pt. 1. Forms of evil -- Ch. 2. The sleep of reason -- Ch. 3. Perilous dreams -- Ch. 4. A fatal fusion -- Ch. 5. The revenge of ruined pride -- Ch. 6. Wickedness in high places -- Ch. 7. Disenchantment with ordinary life -- Ch. 8. Taking stock -- pt. 2. Explanations of evil -- Ch. 9. External explanations -- Ch. 10. A biological explanation -- Ch. 11. Internal explanations -- Ch. 12. The mixed explanation -- Ch. 13. Responsibility -- Ch. 14. Toward elementary decency -- Ch. 15. Conclusion : what is to be done?